Weld-In Thermowells
To protect thermometers and temperature probes in steam lines and other high-temperature and high-pressure applications, these thermowells weld into place for a more secure connection than threaded thermowells.
For Thermometer | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stem Lg. | Stem Dia. | Connection Pipe Size  | Connection Thread Type | Connection Gender | Max. Temperature, ° F | Max. Pressure | For Hole Diameter | Nut Length | Insertion Lg. | Each | |
304 Stainless Steel | |||||||||||
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 3/4" | 3/4" | 1" | 0000000 | 000000 |
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 1" | 3/4" | 1" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 3/4" | 3/4" | 2 1/2" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 1" | 3/4" | 2 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 3/4" | 3/4" | 4 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 1" | 3/4" | 4 1/2" | 0000000 | 000000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 3/4" | 3/4" | 7 1/2" | 0000000 | 000000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 1" | 3/4" | 7 1/2" | 0000000 | 000000 |
316 Stainless Steel | |||||||||||
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 3/4" | 3/4" | 1" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 3/4" | 3/4" | 2 1/2" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 1" | 3/4" | 2 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 3/4" | 3/4" | 4 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 1" | 3/4" | 4 1/2" | 0000000 | 000000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 3/4" | 3/4" | 7 1/2" | 0000000 | 000000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 1" | 3/4" | 7 1/2" | 0000000 | 000000 |